A revolutionary vertical axis wind turbine : CityWind

> A unique design <
CityWind is a cycloidal turbine : a vertical axis, with its blades pitch-controlled during operation. Cycloidal devices already exist, but CityWind is unique. The motion of its blades resembles a natural, oscillating motion. It is based on a unique mechanical concept, and stands out from the other vertical axis.
> Safe and user friendly operation <
CityWind unique design means it will always operate at low speed. It just cannot go too fast. CityWind will operate approximately 5 times slower than a regular wind turbine. This means it will not overspeed. It will not start oscillating or vibrating. And it will not create any unpleasant aerodynamics noise. Regular wind turbine blades reach a speed of 350km/h. CityWind blades will never go beyond 70 km/h.
> High and steady performance <
The power created by CityWind rotor is as high as regular screw-like wind turbines. These horizontal axis wind turbine typically have an efficiency of 40%. We demonstrated an aerodynamic efficiency of more than 50%. In addition, the CityWind continues to produce even by turbulent winds. The performance of traditional wind turbines decreases rapidly when the wind is turbulent.